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Question 1:
a) The aim of a computer network is to increase efficiency and reduce costs. Describe how networks achieve the above.
b) Explain briefly how the bus topology operates. Support your answer with appropriate diagrams.
c) Briefly describe the following terms associated with networking :
a) Server b) Client c) Protocol d) Media
Question 2:
a) Apart from computer viruses, briefly explain THREE other security problems that can emanate from the Internet.
b) Differentiate between a static and a a dynamic web site.
c) What are the differences between electronic mail and paper mail ? How do these affect the modern office?
what are kung classification
Subtraction of 01000-01001 using 2's complement method. Ans. Firstly 1's complement of 01001 is 10110 and 2's complement is 10110+ 1 =10111. Thus 01000 = 01000 - 01001
The NAND gate. The NAND gate is equivalent to an AND gate followed by a NOT gate so that the output is 0 when all of the inputs are high, otherwise the output is 1. There may
Difference among the Static rams and dynamic rams. Static RAM: It is costly as each bit of memory will take around 6 CMOS transistors. More speedy as transistors are us
Question 1 Why is it important that an expert system be able to explain why and how questions related to a problem solving session. 2 Give the architecture of an Expert syst
Images in the top area of Compass home page guide visitors to specific pages on the site. Now you will add links for navigation buttons. You will see that there are some ways to
What can you say about the existence of a stationary point in the interval [ 1; 3] for the function f (x) = x 2 2x 3.
What is a system call? A system call is a request made through any program to the operating system for performing tasks, picked by a predefined set, that the said
What are the functions of virtual file system (VFS)? a. It splits file-system-generic operations from their implementation explaining a clean VFS interface. It allows transpare
Design a circuit for determining the 9's compliment of a BCD number by using 4-bit binary adder and some external logic gates? Compliment of a BCD number 9's co
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